Compute this in C

Write a program in which the child process waits for parent process to complete some actions. The detailed actions are as follows (refer the procexec/fork sig,sync.c" which has reverse roles) : 40 points 1. FILE NAME: hw5.1.c Before fork: a. Use SIGUSR1 and add this signal to the signal mask b. Use "signal(to call "signal handler() that prints out "Here is the Signal Handler Child process c. Suspend child process waiting for a signal from the parent d. Prints out "Child received a signal" e. Restore signal mask from the backup list f. Exit Parent process g. Print out "Parent started.... h. Sleep 3 seconds i. Print out "Parent about to signal child..." j. Send the SIGUSR1 to the child k. Exit